Google Drive can directly OCR jpeg or any image. Just upload and open it with Google Docs. Now I think about it, I don't know what you mean by "upload a pdf to

Google Drive can directly OCR jpeg or any image. Just upload and open it with Google Docs. Now I think about it, I don't know what you mean by "upload a pdf to google drive and download it 10 minutes later". Uploading and downloading a file shouldn't change it at all, at bit level.